Jev vs GPT-5.4

TypeSafe JevOpenAI GPT-5.4
VendorTypeSafeOpenAI
Context window64,0001,050,000
Max output—128,000
ReasoningNoYes
Tool callingNoYes
File inputNoYes
Inputtexttext, image
Outputtexttext
Released2026-09-152026-03-05